/*
 * This software is distributed under the terms of the MIT License
 */

#ifndef __RSXUTIL_H__
#define __RSXUTIL_H__

#include <rsx/rsx.h>
#include <ppu-types.h>

#define CB_SIZE   0x100000
#define HOST_SIZE (32 * 1024 * 1024)

typedef struct
{
   int       height;
   int       width;
   int       id;
   uint32_t *ptr;
   // Internal stuff
   uint32_t  offset;
} rsxBuffer;

/* Initilize the RSX properly. Returns NULL on error */
gcmContextData *initScreen(void *host_addr, u32 size);
/* Block the PPU thread untill the previous flip operation has finished. */
void            waitFlip(void);
/* Flip a buffer onto the screen. Returns TRUE on success */
int             flipBuffer(gcmContextData *context, s32 buffer);
/* Create a buffer to draw into and assign it to @id. Returns NULL on error */
int             makeBuffer(rsxBuffer *buffer, u16 width, u16 height, int id);
/* Copy the contents of a buffer to another buffer */
int             copyBuffer(gcmContextData *context, rsxBuffer *source, rsxBuffer *destination);
/* Get current screen resolution. returns TRUE on success */
int             getResolution(u16 *width, u16 *height);
/* Set screen resolution to closest matching and. returns TRUE on success */
int             setResolution(gcmContextData *context, u16 *width, u16 *height);
/* Initilize the RSX properly. Returns NULL on error */
void            freeScreen(gcmContextData *context);
/* Flush the RSX pipeline (any commands and wait for flip) */
void            flushRSX(gcmContextData *context);

#endif /* __RSXUTIL_H__ */